A coadapted community-based participatory group programme for parents/carers of children with complex neurodisability (Encompass-2): a pilot and feasibility study protocol

Table 4 Width of confidence intervals across reference sample sizes for two values of proportion (completion of follow-up questionnaires and group attendance)

n	Group configuration		P	CI₉₅
12	Two groups of six each	Follow-up	0.70	0.26
12	Two groups of six each	Attendance	0.80	0.23
16	Two groups of eight each	Follow-up	0.70	0.22
16	Two groups of eight each	Attendance	0.80	0.20
20	Two groups of 10 each or 3 groups of 6 or 7 each	Follow-up	0.70	0.20
20	Two groups of 10 each or 3 groups of 6 or 7 each	Attendance	0.80	0.18
24	Three groups of eight each	Follow-up	0.70	0.18
24	Three groups of eight each	Attendance	0.80	0.16
30	Three groups of 10 each	Follow-up	0.70	0.16
30	Three groups of 10 each	Attendance	0.80	0.14

ISSN: 2055-5784